import {TangentSpaceNormalMap} from '../constants.js';
import {Material} from './Material.js';
import {Vector2} from '../math/Vector2.js';
import {Color} from '../math/Color.js';

/**
 * parameters = {
 *  color: <hex>,
 *  opacity: <float>,
 *
 *  matcap: new THREE.Texture( <Image> ),
 *
 *  map: new THREE.Texture( <Image> ),
 *
 *  bumpMap: new THREE.Texture( <Image> ),
 *  bumpScale: <float>,
 *
 *  normalMap: new THREE.Texture( <Image> ),
 *  normalMapType: THREE.TangentSpaceNormalMap,
 *  normalScale: <Vector2>,
 *
 *  displacementMap: new THREE.Texture( <Image> ),
 *  displacementScale: <float>,
 *  displacementBias: <float>,
 *
 *  alphaMap: new THREE.Texture( <Image> ),
 *
 *  skinning: <bool>,
 *  morphTargets: <bool>,
 *  morphNormals: <bool>
 * }
 */

function MeshMatcapMaterial(parameters) {

  Material.call(this);

  this.defines = {'MATCAP': ''};

  this.type = 'MeshMatcapMaterial';

  this.color = new Color(0xffffff); // diffuse

  this.matcap = null;

  this.map = null;

  this.bumpMap = null;
  this.bumpScale = 1;

  this.normalMap = null;
  this.normalMapType = TangentSpaceNormalMap;
  this.normalScale = new Vector2(1, 1);

  this.displacementMap = null;
  this.displacementScale = 1;
  this.displacementBias = 0;

  this.alphaMap = null;

  this.skinning = false;
  this.morphTargets = false;
  this.morphNormals = false;

  this.setValues(parameters);

}

MeshMatcapMaterial.prototype = Object.create(Material.prototype);
MeshMatcapMaterial.prototype.constructor = MeshMatcapMaterial;

MeshMatcapMaterial.prototype.isMeshMatcapMaterial = true;

MeshMatcapMaterial.prototype.copy = function (source) {

  Material.prototype.copy.call(this, source);

  this.defines = {'MATCAP': ''};

  this.color.copy(source.color);

  this.matcap = source.matcap;

  this.map = source.map;

  this.bumpMap = source.bumpMap;
  this.bumpScale = source.bumpScale;

  this.normalMap = source.normalMap;
  this.normalMapType = source.normalMapType;
  this.normalScale.copy(source.normalScale);

  this.displacementMap = source.displacementMap;
  this.displacementScale = source.displacementScale;
  this.displacementBias = source.displacementBias;

  this.alphaMap = source.alphaMap;

  this.skinning = source.skinning;
  this.morphTargets = source.morphTargets;
  this.morphNormals = source.morphNormals;

  return this;

};


export {MeshMatcapMaterial};
